body{font-family: "微软雅黑";}
.welcome{
	height: 40px;
	line-height: 40px;
	padding-left: 20%;
	font-family: "微软雅黑";
	font-size: 18px;
	background-color: #F3F3F3;
}
.welcome span a{
	color: green;
	text-decoration: none;
}
.logo{
	margin-top: 9px;
	height:70px;
	border-bottom: 3px solid #B4ECB4;
}
.img{
	float: left;
	padding-left: 19.5%;  
}
.nav{
	float: left;
	margin-left: 18%;
	font-size: 19px;
}
.nav li{
	float: left;
	list-style: none;
}
.nav li a{
	text-decoration: none;
	display: block;
	color: limegreen;
	width: 90PX;
	height: 40PX;
	margin-left: 20PX;
	line-height: 40PX;
	overflow: hidden;
	text-align: center;
}
.nav a:hover{
	background-color: #57B382;
	border-radius: 8px;
	color: white;
}
